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Synthesis of Patched or Stacked Graphene and hBN Flakes: A Route to Hybrid Structure Discovery

Kim, Soo Min, Hsu, Allen, Araujo, P. T., Lee, Yi-Hsien, Palacios, Tomás, Dresselhaus, Mildred, Idrobo, Juan-Carlos, Kim, Ki Kang, Kong, Jing·2013·Nano Letters

Abstract

Two-dimensional (2D) materials such as graphene and hexagonal boron nitride (hBN) have attracted significant attention due to their remarkable properties. Numerous interesting graphene/hBN hybrid structures have been proposed but their implementation has been very limited. In this work, the synthesis of patched structures through consecutive chemical vapor deposition (CVD) on the same substrate was investigated. Both in-plane junctions and stacked layers were obtained. For stacked layers, depending on the synthesis sequence, in one case turbostratic stacking with random rotations were obtained. In another, "AA-like", slightly twisted stacking between graphene and hBN was observed with lattice orientation misalignment consistently to be <1°. Raman characterizations not only confirmed that hBN is a superior substrate but also revealed for the first time that a graphene edge with hBN passivation displays reduced D band intensity compared to an open edge. These studies pave the way for the proposed well-ordered graphene/hBN structures and outline exciting future directions for hybrid 2D materials.

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Metadata

Authors
Kim, S. M., Hsu, A., Araujo, P. T., Lee, Y.-H., Palacios, T., Dresselhaus, M., Idrobo, J.-C., Kim, K. K., & Kong, J.
Venue
Nano Letters
Published
2013-03-04
Volume
13
Issue
3
Pages
933-941
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2312857983
Cited by
201
References
2
FWCI
10.80
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Synthesis of Patched or Stacked Graphene and hBN Flakes: A Route to Hybrid Structure Discovery. https://app.cochat.ai/papers/10.1021/nl303760m
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Kim, S. M., Hsu, A., Araujo, P. T., Lee, Y.-H., Palacios, T., Dresselhaus, M., Idrobo, J.-C., Kim, K. K., & Kong, J. (2013). Synthesis of Patched or Stacked Graphene and hBN Flakes: A Route to Hybrid Structure Discovery. Nano Letters. https://doi.org/10.1021/nl303760m

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